diff --git a/Cargo.lock b/Cargo.lock
index 7dbbab5b3e..6be52e1c41 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -6808,9 +6808,9 @@ dependencies = [
 
 [[package]]
 name = "peg"
-version = "0.8.3"
+version = "0.8.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8a625d12ad770914cbf7eff6f9314c3ef803bfe364a1b20bc36ddf56673e71e5"
+checksum = "295283b02df346d1ef66052a757869b2876ac29a6bb0ac3f5f7cd44aebe40e8f"
 dependencies = [
  "peg-macros",
  "peg-runtime",
@@ -6818,9 +6818,9 @@ dependencies = [
 
 [[package]]
 name = "peg-macros"
-version = "0.8.3"
+version = "0.8.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f241d42067ed3ab6a4fece1db720838e1418f36d868585a27931f95d6bc03582"
+checksum = "bdad6a1d9cf116a059582ce415d5f5566aabcd4008646779dab7fdc2a9a9d426"
 dependencies = [
  "peg-runtime",
  "proc-macro2",
diff --git a/Cargo.toml b/Cargo.toml
index 49225ca63e..1e9cc6ba0e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -422,7 +422,7 @@ partial-io = { version = "0.5.4", features = ["proptest1", "tokio1"] }
 parse-size = "1.0.0"
 paste = "1.0.15"
 percent-encoding = "2.3.1"
-peg = "0.8.3"
+peg = "0.8.4"
 pem = "3.0"
 petgraph = "0.6.5"
 postgres-protocol = "0.6.6"